Although there are people who know all about the next JK Rowling book, Harry Potter and the Half-Blood Prince, their lips are sealed. More from the Cincinnati Enquirer. Talking about HP security at Amazon.com, Kristin Mariani, head of public relations says:
“There are only a few entry points and those are guarded 24/7. Only people with special badges can get in. And they have to show their badge when they enter and leave.”
However …
“Things you can learn about the plot of the next Harry Potter book just by looking at the cover art.”